CVE-2021-40438 — Apache HTTP Server-Side Request Forgery (SSRF)

Known ransomware use CISA KEV listed Added December 1, 2021 Remediate by December 15, 2021

Description

A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-40438

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